SHOPIFY UPDATE - Buy Button Channel Now Supports Custom Checkout Domains

As of today, merchants who have a custom domain for their Shopify online store will see their custom domain appear on the Buy Button checkout as well! 

This means that instead of seeing the .myshopify.com domain in the URL for the checkout window, buyers will now see your custom domain (if configured) when going through checkout from the Buy Button.

There is no action you need to take. Learn more about using a custom checkout domain for Buy Buttons from the Shopify Help Center at https://help.shopify.com/en/manual/sell-online/buy-button/setup#use-a-custom-checkout-domain-for-your-buy-buttons